Giants to begin their managerial search with internal candidates this week - Newsday
Buster Posey announces retirement
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Baseball Hall of Fame: Will Bonds, Clemens, Schilling get in? National News - Bally Sports
AP Source: Giants C Buster Posey will announce retirement, News
Giants Star Buster Posey Announces Retirement – NBC Bay Area
SF Giants Buster Posey announces retirement after 12 seasons
Giants Star Buster Posey Announces Retirement – NBC Bay Area
SF Giants' Buster Posey set to announce retirement on Thursday, per report – Times Herald Online